The goblin is frowning, looking grim, and does not feel like joking. You should be particularly careful. Represents mischievous acts or remarks as well as treachery.
The angry face with horns emoji was introduced in 2010 and released as part of the Unicode 11.0 standard. This emoji can be found under the smileys and emotions
category. Because the angry face with horns emoji has been around for quite some time, it should display correctly in the majority of operating systems.